WorksheetsForces-Newton's Laws
Total questions: 24
Worksheet time: 18mins
Name
Class
Date
1.
Which is also known as the law of inertia?
a)
Newton's 1st law of motion
b)
Newton's 2nd law of motion
c)
Newton's 3rd law of motion
d)
a force pair
2.
When balanced forces act on an object, the object is either moving with a constant velocity or
a)
speeding up
b)
slowing down
c)
changing direction
d)
at rest
3.
Which force pushes or pulls an object without touching it?
a)
balanced
b)
contact
c)
net
d)
noncontact
4.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
5.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
6.
friction is a force that acts
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
7.
What is the attraction between two objects because of their mass?
a)
Inertia
b)
Gravity
c)
Gravitational Force
d)
Weight
8.
One object has twice as much mass as another object. The first object also has twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
9.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
10.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.
a)
velocity
b)
gravity
c)
net force
d)
distance
11.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
12.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
13.
What is the unit for force?
a)
kg
b)
m/s/s
c)
m/s
d)
N
14.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
15.
If the forces acting on an are unbalanced, the net force is NOT _____.
a)
normal
b)
strong
c)
zero
d)
weak
16.
What is acceleration?
a)
Push or pull interaction between two or more objects.
b)
How fast an object moves in a straight line with direction.
c)
The change in an object's velocity with time.
d)
The absolute change in position (straight line) from start to end of motion, with direction.
17.
A rolling ball will move in a straight line at constant speed until an outside force causes it to move faster or slow down.
Which of Newton's Laws of Motion applies?
Which of Newton's Laws of Motion applies?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Not a law, it's a generalization.
18.
Objects at rest resist forces that try to put them into motion.
Which of Newton's Laws of Motion applies?
Which of Newton's Laws of Motion applies?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Not a law, it's a generalization.
19.
Objects in motion resist forces that try to make them go faster or go slower.
Which of Newton's Laws of Motion applies?
Which of Newton's Laws of Motion applies?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Not a law, its a generalization.
20.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
21.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
22.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
23.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3
d)
Cart 4
24.
What is the essential characteristic of an object at equilibrium?
a)
Zero velocity
b)
Zero acceleration
c)
Zero mass
d)
Zero weight
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